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annotate pyntnclick/cursor.py @ 848:98d1fff734e6 pyntnclick

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Drop unneeded pygame.cursors import
author Neil Muller <neil@dip.sun.ac.za>
date Sun, 15 Dec 2013 11:41:27 +0200
parents bd8227068d86
children
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1 # cursor.py
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2 # Copyright Boomslang team, 2010 (see COPYING File)
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3 # Sprite Cursor
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4
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5 from pygame.sprite import Sprite, RenderUpdates
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6 import pygame
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7 import pygame.color
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8 import pygame.mouse
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9
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10 from pyntnclick.engine import Screen
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11 from pyntnclick.image_transforms import Colour
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12
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13
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14 class CursorSprite(Sprite):
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15 "A Sprite that follows the Cursor"
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16
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17 def __init__(self, filename, x=None, y=None):
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18 Sprite.__init__(self)
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19 self.filename = filename
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20 self.pointer_x = x
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21 self.pointer_y = y
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22 self.highlighted = False
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23 self.highlight_colour = (255, 100, 100, 255)
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24
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25 def load(self, resources):
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26 if not hasattr(self, 'plain_image'):
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27 self.highlight_transform = Colour(self.highlight_colour)
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28 self.plain_image = resources.get_image('items', self.filename)
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29 self.highlighted_image = resources.get_image('items',
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30 self.filename, transforms=(self.highlight_transform,))
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31 self.image = self.plain_image
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32 self.rect = self.image.get_rect()
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33 if self.pointer_x is None:
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34 self.pointer_x = self.rect.size[0] // 2
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35 if self.pointer_y is None:
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36 self.pointer_y = self.rect.size[1] // 2
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37
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38 def update(self):
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39 pos = pygame.mouse.get_pos()
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40 self.rect.left = pos[0] - self.pointer_x
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41 self.rect.top = pos[1] - self.pointer_y
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42
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43 def set_highlight(self, enable):
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44 self.image = self.highlighted_image if enable else self.plain_image
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45
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46
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47 HAND = CursorSprite('hand.png', 12, 0)
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49
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50 class CursorScreen(Screen):
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51 """A Screen with custom cursors"""
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52
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53 def setup(self):
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54 self._cursor_group = RenderUpdates()
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55 self._loaded_cursor = None
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56 self.set_cursor(None)
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57
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58 def on_enter(self):
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59 super(CursorScreen, self).on_enter()
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60 pygame.mouse.set_visible(0)
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61
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62 def on_exit(self):
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63 super(CursorScreen, self).on_exit()
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64 pygame.mouse.set_visible(1)
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65
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66 def draw(self, surface):
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67 super(CursorScreen, self).draw(surface)
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68 self.set_cursor(self.game.tool)
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69 self._loaded_cursor.set_highlight(self.cursor_highlight())
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70 self._cursor_group.update()
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71 self._cursor_group.draw(surface)
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72
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73 def set_cursor(self, item):
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74 if item is None or item.CURSOR is None:
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75 cursor = HAND
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76 else:
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77 cursor = item.CURSOR
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78 if cursor != self._loaded_cursor:
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79 self._loaded_cursor = cursor
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80 self._loaded_cursor.load(self.gd.resource)
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81 self._cursor_group.empty()
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82 self._cursor_group.add(self._loaded_cursor)
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83
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84 def cursor_highlight(self):
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85 return self.container.mouseover_widget.highlight_cursor